chore: Switch Druid tests from Azure to k3s

Same as df4c4c8

Author: sbernauer

catalog/operator-tests.yaml

@@ -72,7 +72,7 @@
     - id: ionos-k8s
       spec: {}
   weekly_test:
-    platform: replicated-azure
+    platform: replicated-k3s
     test_script_params: --parallel 1
 - id: hbase-operator
   display_name: HBase Operator